High severity · published Apr 11, 2021
CVE-2021-28875
In the standard library in Rust before 1.50.0, read_to_end() does not validate the return value from Read in an unsafe context
7.5
CVSS
2.1%
EPSS
No
On KEV
Description
In the standard library in Rust before 1.50.0, read_to_end() does not validate the return value from Read in an unsafe context. This bug could lead to a buffer overflow.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
Rust · Rust-lang
before 1.50.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28875
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28875
Exploit
https://github.com/rust-lang/rust/issues/80894
Patch
https://github.com/rust-lang/rust/pull/80895
Third Party Advisory
https://security.gentoo.org/glsa/202210-09
More from Rust
10.0
CVE-2024-24576
Rust is a programming language
9.8
CVE-2024-3566
A command inject vulnerability allows an attacker to perform command injection on Windows applications that indirectly depend on the CreateProcess function when the specific…
9.8
CVE-2021-31162
In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if freeing the element panics
9.8
CVE-2021-28879
In the standard library in Rust before 1.52.0, the Zip implementation can report an incorrect size due to an integer overflow
9.8
CVE-2020-36318
In the standard library in Rust before 1.49.0, VecDeque::make_contiguous has a bug that pops the same element more than once under certain condition